2154088078 has 8 divisors (see below), whose sum is σ = 3235906872. Its totient is φ = 1075452456.

The previous prime is 2154088073. The next prime is 2154088091. The reversal of 2154088078 is 8708804512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154088073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794100 + ... + 796807.

It is an arithmetic number, because the mean of its divisors is an integer number (404488359).

Almost surely, 2^2154088078 is an apocalyptic number.

2154088078 is a deficient number, since it is larger than the sum of its proper divisors (1081818794).

2154088078 is a wasteful number, since it uses less digits than its factorization.

2154088078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591586.

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 2154088078 is about 46412.1544210135. The cubic root of 2154088078 is about 1291.4803984821.

The spelling of 2154088078 in words is "two billion, one hundred fifty-four million, eighty-eight thousand, seventy-eight".